Betty Cutts Wylder (March 12, 1923 – February 18, 1994) was an American composer, organist, environmentalist, and folklorist, based in Long Beach, California, after 1953.

[3][4] With her father and her husband, and UCLA folklorist Wayland Hand, she collected folksongs in Montana in the 1940s, interviewing performers, and making audio recordings and written transcripts.

[4] Wylder and her husband moved to Long Beach, California, in 1953, where he was a university professor of English.

[6][7] She composed and arranged hymns used in Unitarian Universalist services,[8] including “Enter, Rejoice, and Come In”, “Let It Be a Dance”, and “Love Will Guide Us”.

[9] She met singer Undine Wildman at the church; the two women began to perform music together in night clubs.